Acer Acer –LCD-B223W Service Manual LCD Monitor Acer B223W -0-
1 Table of Contents Important Safety Notice .........................................................................................01 01 Product Specification ..........................................................................................03 02 Flat Panel Specification .......................................................................................18 03 Exploded Diagram ..............................................................................................
Acer Acer –LCD-B223W Important Safety Notice 1. Safety precautions This monitor is manufactured and tested on a ground principle that a user’s safety comes first. However, improper used or installation may cause damage to the monitor as well as to the user. Warning: This monitor should be operated only at the correct power sources indicated on the label on the rear of the monitor. If you’re unsure of the power supply in you residence, consult your local dealer or Power Company.
Acer Acer –LCD-B223W 01 Product Specification 1. General: BV223W series LCD monitor is designed with a wide screen 22.0” WSXGA+ TFT LCD panel, LVDS interface, Analog RGB signal input. It featured with embedded universal AC power supply. This monitor can support maximum resolution up to 1680 x 1050@60Hz. Details in this document DVI referred to is an option function depending on client’s requirement. In our factory, products should be distinguished by module names. 1.
Acer Acer –LCD-B223W Note 2: Altitude spec must not over panel spec. Figure 1 Absolute Ratings of Environment 2.1 Safety, EMC, Ergonomics and Compatibility Requirements Safety & EMC cUL, UL, CE, CB, CCC, TUV/GS, TUV/EGO, TUV/ISO-13406-2, C-Tick (N214), VCCI, FCC, CE, CCC, BSMI, C-Tick Ergonomics TCO99, TCO03 Compatibility Windows 98/Me/2000, Windows XP, Window Vista Power Management Energy Star V4 2.
Acer Acer –LCD-B223W (DC output full loading and nominal AC input voltage range) 3.1.6 Ripple and Noise Total composite ripple and noise less than 320mV for +16V output, and less than 150mV for +5V output, and 50mV for +3.3V output tested by DC loading side parallel with a 47uF/EC and 0.1uF/Ceramic. Capacitors and measured band-width with DC-20MHz 3.1.7 DC Output Voltage and Current DC Output Voltage VCC16V VCC5V 15.2V-18.5V 4.75~5.25V Current Typ. 1.8A 1.5A Max. 2.2 A 1.
Acer Acer –LCD-B223W On Load Function: Item Symbol Min. Typ. Max. Unit Input Current Iin --- 1.8 2.2 A Frequency F 40.0 45.0 80 kHz @Max-Load Output Current for IL One Lamp 3.0 7.0 8.0 mArms PWM dimming control mode: 2mA≤IL ≤8mA Operating Voltage Vo --- 750 --- Vrms Brightness PWM duty 35% --- 100% Kick Off Voltage Hold Up Time T 1.0 1.5 --- Efficiency η 75% --- --- S Remark @Vin=16.0V Brightness=3.3V @Vin=16.0V Brightness=3.3V 3.
Acer Acer –LCD-B223W L/10 L/2 4 5 6 1 2 3 7 8 9 W/10 W/2 4. Input / Output Signal Specifications 4.1 Video signals Analog RGB signal: 0.7Vp-p Sync: TTL level (Input impedance ≧ 1k Ohm) (Input impedance = 75 Ohm) Positive and negative sync of Separate Horizontal/Vertical Sync Digital : TMDS Signal: (min) ±200mVpp@24Bit 4.2 Signal Timing Through D-SUB/DVI connectors, this unit can support FH= 31.5~84 KHz, Fv=56~76Hz, with maximum pixel clock 165MHz input signal and WSXGA+ output.
Acer Acer –LCD-B223W UXGA 1600*1200@60Hz 75.000 P 60.000 P 162.000 WXGA 1360*768@60Hz 47.712 P 60.015 P 85.5 1440*900(Red)@60Hz 55.469 P 59.901 N 88.75 1440*900@75Hz 70.635 N 74.984 P 136.75 1680*1050@60Hz 65.290 N 59.954 N 146.250 640*350@70Hz 31.469 P 70.087 N 25.175 720x400@70Hz 31.469 N 70.087 P 28.322 WXGA+ WSXGA+ IBM MODES EGA MAC MODES VGA 640*480@66.7Hz 35.000 P 66.667 P 30.240 SVGA 832*624@75Hz 49.725 N 74.550 N 57.
Acer Acer –LCD-B223W V223W DVI 0 1 00 FF 00 00 0F 50 95 0F 36 00 54 11 30 30 00 56 0 1 2 3 4 5 6 7 2 FF 01 54 90 DA 00 30 32 3 FF 03 BF 40 28 0A 30 32 4 FF 80 EF 01 11 20 30 33 5 FF 2F 90 01 00 20 30 57 6 FF 1E A9 21 00 20 30 0A 7 00 78 40 39 19 20 30 20 8 04 EA 71 90 00 20 30 20 9 72 DE 4F 30 00 20 30 20 A 1B 95 81 62 00 00 30 20 B 00 A3 40 1A FD 00 0A 20 C 00 54 01 27 00 00 00 20 D 00 4C 01 40 38 FF 00 20 5.
Acer Acer –LCD-B223W A. When OSD isn’t shown on screen, press [MENU] to enter OSD interface. The OSD interface uses “ACER e Color Management” and “User” to instead “Contrast” and “Brightness” separately. When press “ACER e Color Management” to show “e Color OSD”, and press “User” to show OSD interface before. The translations of “ACER e Color Management” and “User” are always English. B. When OSD displays, press [MENU] to perform function of menu icon that is highlight or enter next level menu [MENU] A.
Acer Acer –LCD-B223W ------------- 0 ~ 100 Depend on each timing 0 ~ 100 50 ○1 0 ~ 100 50 0 ~ 100 Depend on each timing Red 0 ~ 100 80 Green 0 ~ 100 80 Blue 0 ~ 100 80 --------------------------- ----------------- English 0 ~ 100 50 0 ~ 100 50 10~ 120 20 ----- DDCCI ON/OFF ----ON DDCCI ON/OFF ON Focus Image Clock Horizontal Position Vertical Warm (6500K) Cool (9300K) Color User Language NO-EMEA EMEA English English Deutsch Deutsch Español Español 简体中文 Holland
Acer Acer –LCD-B223W 6. SOP of firmware upgrade 6.1 Operational condition: Equipment: PC, ISP card, signal cable and power cable. ESD requirements: antistatic wrists, antistatic gloves (fingers), and connecting cable Name of ISP program: RTDTool_4.6.exe Manufacture of FW IC：RTD 2525L 6.2 Operational steps: 1. Connection: connect PC to PCBA with signal cable, and then keep AC and DC in open state. One port of ISP program card is connected to PC print port. 2.
Acer Secondly﹐download FW software: (Fig.2). Acer –LCD-B223W first select “READ”, and then load FW software in Rooter FW software rooter Software Checksum Thirdly, select “Connect” and enter ISP MODE as in the following Figure 3.
Acer Acer –LCD-B223W Fourthly, select “AUTO”, and keep its default value. Click “RUN” for beginning programming. There will be prompting if programming is OK.
Acer Acer –LCD-B223W After connecting, AC ON, DC ON ◆Flowing chart OK Open ISP program OK Choose manufacturer and model of FW IC OK LOAD FW software OK Click Connect and enter ISP MODE OK Choose Config and adjust programming Click AUTO and RUN for beginning programming OK NG Turn off power if programming is OK 15
Acer Acer –LCD-B223W 02.
SPEC NO. PAG E M T 2 2 0W W 0 1 V. 0 3/23 Contents: A. General Specification B. Electrical Specifications 1. Pin assignment 2. Absolute maximum ratings 3. Electrical characteristics a. Typical operating conditions b. Display color vs. input data signals c. Input signal timing d. Display position e. Backlight driving conditions C. Optical specifications D. Reliability test items E. Safety F. Display quality G. Handling precaution H. Label I.
SPEC NO. M T 2 2 0W W 0 1 V. 0 PAG E 4/23 A. General Specification NO. Item Specification 1 Display resolution (pixel) 1680(H) X 1050(V), WSXGA+ resolution 2 Active area (mm) 473.76(H) X 296.1(V) 3 Screen size (inch) 22 inches diagonal 4 Pixel pitch (mm) 0.282(H) X 0.282(V) 5 Color configuration R, G, B vertical stripe 6 Overall dimension (mm) 493.7 (W) X 320.1 (H) X 16.5 (D) (typ.) 7 Weight (g) 2900 (max.
SPEC NO. PAG E M T 2 2 0W W 0 1 V. 0 5/23 B. Electrical Specifications 1.Pin assignment Connector JAE FI-XB30SSRL-HF16, Foxconn GS23302-0311R-7F or mechanical interface equivalent connector. Pin No.
SPEC NO. M T 2 2 0W W 0 1 V. 0 6/23 PAG E #30 #1 #1 #30 Rear view of LCM ALL RIGHTS RESERVED ANY PORTION OF THIS DOCUMENT SHALL NOT BE REPRODUCED, COPIED, OR TRANSFORMED TO ANY OTHER FORMS WITHOUT PRIOR WRITTEN PERMISSION FROM INNOLUX DISPLAY CORPORATION.
M T 2 2 0W W 0 1 V. 0 SPEC NO. 7/23 PAG E 2. Absolute maximum ratings Parameter Values Symbol Unit Min. Max. Remark Power voltage Vcc -0.3 6 V At 25°C Input signal voltage VLH -0.3 4.3 V At 25°C Operating temperature Top 0 50 °C Note 1 Storage temperature TST - 25 60 °C Note 2 CCFL Current ICFL 3 8 [mA] Note 1: The relative humidity must not exceed 90% non-condensing at temperatures of 40°C or less.
M T 2 2 0W W 0 1 V. 0 SPEC NO. 8/23 PAG E 3. Electrical characteristics a. Typical operating conditions Item Symbol Min. Typ. Max. Unit Input Voltage Vcc 4.5 5 5.5 V Permissive Power Input Ripple VRF - - 0.25 V Black Icc - 900 - White Icc - 700 - Mosaic Icc - 800 IRush - - 4 A Input Current Rush Current Remark Note 1 mA Note 2 Note 3 Note 4 Logic Input Common Mode Voltage VCM - 1.
SPEC NO. M T 2 2 0W W 0 1 V.
SPEC NO. PAG E M T 2 2 0W W 0 1 V. 0 10/23 Note 6 : Power on sequence for LCD VDD Parameter Value Unit Min. Typ. Max. ms T1 0.1 -- 10 ms T2 0 -- 50 ms T3 200 250 -- ms T4 100 250 -- ms T5 0 20 50 ms T6 0.1 -- -- ms T7 1000 -- -- ms ALL RIGHTS RESERVED ANY PORTION OF THIS DOCUMENT SHALL NOT BE REPRODUCED, COPIED, OR TRANSFORMED TO ANY OTHER FORMS WITHOUT PRIOR WRITTEN PERMISSION FROM INNOLUX DISPLAY CORPORATION.
SPEC NO. M T 2 2 0W W 0 1 V. 0 11/23 PAG E b. Display color vs. input data signals The brightness of each primary color (red, green and blue) is based on the 8-bit gray scale data input for the color; the higher the binary input, the brighter the color. The table below provides a reference for color versus data input.
SPEC NO. M T 2 2 0W W 0 1 V. 0 12/23 PAG E c. Input signal timing Support Input Timing Table The input signal timing specifications are shown as the following table and timing diagram. Signal Clock Vertical Horizontal Item Description Min. Typ. Max. Unit period 12.2 16.8 17.9 nS frequency 56 59.
SPEC NO. M T 2 2 0W W 0 1 V. 0 13/23 PAG E d. Display Position D(1, 1) D(2, 1) …… D(840, 1) …… D(1679, 1) D(1680, 1) D(1, 2) .. . D(2, 2) …… D(840, 2) .. . …… D(1679, 2) .. . D(1680, 2) .. . D(1, 525) .. . D(2, 525) D(1680, 525) .. . D(1, 1049) D(1, 1050) …… …… …… …… D(840, 525) .. . …… …… D(1679, 525) .. . D(2, 1049) …… D(840, 1049) …… D(1679, 1049) D(1680, 1049) D(2,1050) …… D(840, 1050) …… D(1679,1050) D(1680, 1050) e.
SPEC NO. M T 2 2 0W W 0 1 V. 0 14/23 PAG E Note 2: Test equipment: AS-114B Note 3: The voltage shown above should be applied to the lamp for more than 1 second after startup. Otherwise, the lamp may not be turned on normally. Note 4: Inverter should provide more than min. value, and then lamp could be completely turned on. Note 5:Lamp frequency may produce interference with horizontal synchronous frequency and this may cause line flow on the display.
M T 2 2 0W W 0 1 V. 0 SPEC NO. 15/23 PAG E C. Optical Specifications Specification Item Symbol Condition Min. Tr Response time Tf = 0 Tr+Tf Contrast ratio CR Top Bottom Viewing angle Left Right Brightness (Center) 1.5 3 3.5 7 5 10 700 1000 CR 10 70 80 CR 5 75 85 CR 10 70 80 CR 5 75 85 CR 10 75 85 CR 5 80 89 CR 10 75 85 CR 5 80 89 250 300 YL Wx 0.313 Wy 0.329 Rx 0.640 Gx Gy -0.03 = 0 0.349 0.284 0.142 By 0.
SPEC NO. M T 2 2 0W W 0 1 V. 0 16/23 PAG E "Black" "White" "White" Signal(Relative value) 100% 90% 10% 0% Tr Tf Note 5: Definition of contrast ratio: Contrast ratio is calculated by the following formula. Contrast ratio (CR)= Brightness on the "white" state Brightness on the "black" state Note 6: Driving conditions for CCFL: IL= 7mA, 50 KHz Frequency. Note 7: Definition of viewing angle. Note 8: Definition white uniformity: Luminance are measured at the following nine points (P1~P9).
M T 2 2 0 W W 0 1 V. 0 SP EC NO. 17/23 PAG E Note 9: 1/2 1/6 2/3 1/6 A 1/2 1/3 1/6 1/6 A’ 1/3 1/2 1/2 B 127 gray level B’ 2/3 127 gray level 0 gray level l LA-LA’ l / LA x 100%= 2% max., LA and LA’ are brightness at location A and A’ l LB-LB’ l / LB x 100%= 2% max., LB and LB’ are brightness at location B and B’ Note 10: Optical characteristic measurement setup.
SP EC NO. M T 2 2 0W W 0 1 V. 0 18/23 PAG E : D.
SP EC NO. M T 2 2 0W W 0 1 V. 0 PAG E : 19/23 E. Safety 1. Sharp Edge Requirements There will be no sharp edges or corners on the display assembly that could cause injury. 2. Materials a. Toxicity There will be no carcinogenic materials used anywhere in the display module. If toxic materials are used, they will be reviewed and approved by the responsible InnoLux Toxicologist. b.
Acer Acer –LCD-B223W 03 3.1 Exploded Diagram Screw List Fixed Item Part No. Description Qty T(kg*cm Remark ) 1 509146306102R SCREW P CROSS W/W-SPR M3*6 Zn 2 3.75±0.25 FOR POWER 2 509000000700R BOLT,#4-40x11.8,Ni 4 4.0±0.25 D-SUB CON&DVI 3 50911661210 2R 4 10.5±0.25 For back-cover to STAND ASSY 4 509146306200R 5 3.75±0.
Acer 3.2.
Acer Acer –LCD-B223W 04 Troubleshooting 1. No Power & LED Off Unstable power Check sampling Circuit Check R822, R823, R824 Change R822,R823, R824 Check the C pin voltage of IC803 if 3V Check the R pin voltage of IC803 about 2.
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Acer Acer –LCD-B223W 05 Spare parts List 8221D271A1E0R OEM PART NO DESCRIPTION ET.LBM0C.003 791411301601R PCBA,I/F BOARD(V2,EMEA,W/SPK)LE22D2-612 1 791411301602R PCBA,I/F BOARD(V2,W/SPK),LE22D2-612 ROHS 0 791411401610R PCBA,P/I BOARD,W/SPK,LE22D2-612 ROHS 1 791401500000R PCBA,KEYPAD BOARD,LE9D0-612 ROHS 1 453070801190R PWRCORD 16A/250V BLK 6FT VDE/KTL H05VV-F 1 453070800230R PWRCORD 5A/250V BLK 6FT UK3Gx.
Acer Acer –LCD-B223W 06 Schematics and Layouts 6.
Acer Acer –LCD-B223W 6.
3 2 R827 10 C805 2200p/400V DC 380V Max. T801 SPW-100 1 R805 0R2 1W 10 R828 10 + + C804 150u/450V P6KE150A AC 264V 3 L801 20mH 2 R810 3M C R818 100K 1% RT801 NTC 5R 3 4 D806 5uH L803 C824 470u/16V + SP1040C + C820 1000u/10V 9 Q801 2PC1815GR 3 R830 200 2 3 D + C822 0.1/50V C823 1000u/10V /NC F802 5A/35V VCC5V 3 8 5 OUT R832 470Ω 1% C828 2200p/400V C808 100p/1KV R822 15K4 1% R823 C826 100k 1% 0.
5 2,4 4 3 2 +16V 8 6 2 7 4 6 4 5 R506 1M5 3KV C505 T501 1000p/50V SPW-080 1 3 op1 C508 NC 3 C506 12p/3KV 3 1 8.2K 1% 1 C503 NC 2 R510 2K 1% 1 R521 470 R515 1M 1% 13 SSTCMP 12 LCT 11 ISEN 5 PID 6 RSTR 7 RT OVPT 10 8 ENA VSEN 9 IC501 INL837 C529 1000p/50V 1 8 2 7 3 4 6 C526 NC 5 6 7 4 C523 12p/3KV 8 3 1 0.1/50V D511 SN4148 R518 470K 1% R537 10K 1% 3 D506 BAT54 C517 6800p/50V 1 IS1 2 IS2 C519 0.
5 4 3 2 +16V VCC16V C703 0.1/50V R701 10K Line_L 13 R733 220/NC VAROUT_R 2 VAROUT_L 4 + 220u/25V Right_Out C707 0 0 R731 7 Right_in R730 SVR + 14 C705 D ST-510 4 3 2 1 + 11 15 1 13a 4a 12a 3 2 12 4 13 CN701 1K 1K OUTR 220u/25V 470u/16V VOLUME 12 R706 R707 STBY 3 220/NC Left_Out OUTL GND GND 9 C711 4700p/50V 10K 10K 4K7 C710 4700p/50V R710 R709 C701 5K6 R708 10K + S_GND MUTE R732 4P 2.
5 4 3 2 1 Pin Define 2x4p 2.0mm 180degree D CON CN302 CON CN301 IF CN102 2x4p 2.0mm 180degree 2x4p 2.0mm 90degree KEYPD CON 1x8p 1.25mm180degree 1 2 1 8 2 1 2 7 3 4 3 6 4 3 4 5 5 6 5 4 6 5 6 3 7 8 7 2 8 7 8 1 D C C CN302 CN301 1 2 MENU 1 2 RIGHT&Left 3 4 Auto 3 4 E-color 5 6 LED_A 5 6 GND 7 8 LED_G 7 8 POWER 2x4P 2.0mm 2x4P 2.
Acer Acer –LCD-B223W 7.0 Assembly and Disassembly Sequence S1 S2 S3 Item Place panel Photo Procedures P/N Description (1).Take panel out of box and place it on the foam. LCP (2).Tear open the PE bag and put it in 22"MT220WW0 the designated carton. (3).Place panel on the foam like the 631102220091R 1-V0G1,AM2200001 attached picture. 001(INNO Remark:Do not touch the lamp cord and place the surface of panel downsides on the cushion.
Acer Acer –LCD-B223W Assembly and Disassembly (continue) Assemble front bezel 1.Reverse the panel by 180 degree,put the surface of panel upsides and insert front bezel in the panel. 2.Reverse the panel by 180 degree using both hands,put the surface of panel downsides and make sure FFC interface is closer to operator. 714030015400R 3.Paste tinfoil on the position which refers to attached picture,in order to cover the gap in the panel completely.
Acer Acer –LCD-B223W Assembly and Disassembly (continue) S7 Fix chassis &powebo ard Insert powerboard into the designated location of chassis ,like the attached Picture S8 Connect mainboar d&powerb oard Connent powerboard with the relevant PIN in the mainboard like the attached Picture S9 Twist PCBA screw Handle electric opener and one pcs of M3*6 screw 30 791411401600R PCBA,P/I BOARD,W /O SPK,LE22D2612 ROHS SCREW ,P,CRO 509146306200RSS,W /W AS,M3* 6,Zn-Cc
Acer Acer –LCD-B223W Assembly and Disassembly (continue) 3 S10 4 Twist PCBA screw Fix 3 pcs of screws separately on the poweboard and mainboard like the attached Picture1 2 S11 S12 Twist screw for groundwire Paste FFC wire on the disignated location like the attached Picture Twist Hexagonal screws 4 3 2 1 (1). Handle hexagonal screws and electric opener (2). Twist screw in the interface like the attached Picture1. (3). Place cushion on the designated location after iron frame is taken away.
Acer Acer –LCD-B223W Assembly and Disassembly (continue) S13 S14 S15 Fix chassis Thread lamp wire into the relevant hole of chassis like the attached Picture Fix chassis 1)Fix chassis on the back of panel and front bezel 2)Put lamp wire and FFC wire in order as picture Insert FFC cable 1.Tear off the adhensive tape of FFC wire; 2.Insert FFC wire into the interface of panel 3.Put FFC wire in order and paste them on the panel 4.
Acer Acer –LCD-B223W Assembly and Disassembly (continue) make sure the red cabel in left S17 Insert keypad Cable 3 S18 Fix back cover 3 2 2 Fix stand Check if back cover is fixed properly 1 1 S19 1)Insert keypad wire into the relevant PIN in the keypad （2)Fix button on the relevant position of assemble （3)Confirm if keypad is inserted properly and make sure the red cable in left 4 3 1 Use 4pcs screw fix stand on the back of assemble like attached Picture 2 33
